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Ymbelydredd

Authored by Caradog Rogers

Science

6th - 9th Grade

Used 3+ times

Ymbelydredd
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sawl math o ymbelydredd sydd?

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mae ymbelydredd yn cael ei ryddhau gan atomau sefydlog.

Cywir

Anghywir

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Y math o ymbelydredd mwyaf trwm yw ymbelydredd (a)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mae papur yn rhwystro pa fath o ymbelydredd?

Alffa

Beta

Gama

Y tri

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Yr ymbelydredd mwyaf peryglus pan o fewn y corff yw?

Alffa

Beta

Gama

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ymbelydredd beta yw

Proton

Niwtron

Electron

Atom

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ymbelydredd gama yw

Proton

Ton electromagnetig

Electron

Niwtron

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